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[3D打印] 详解19个免费CAD 软件

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22.jpg      无论是设计新产品、制作游戏、动画还是进行3D打印,三维建模都是不可或缺的一步,然而专业级的CAD 软件价格昂贵,对于创客、业余爱好者或者初创企业来说,使用这些软件将产生较高的支出。


     创客们整理了19个CAD 软件,它们当中有的是完全免费的,有的软件既提供基础的免费套餐也提供付费版的专业级套餐,有兴趣的网友可以收藏了。


适合入门级用户
3D Slash
这是一款适合少年儿童使用的建模软件,即使没有任何建模经验的孩子也容易掌握,并在建模中找到乐趣。


使用方式: 需下载APP
费用:APP 免费,需要注册
文件格式:STL、OBJ


GeekCAD
国内首家完全基于Web的在线建模软件。GeekCAD于2015年底开始邀请部分用户试用,现已正式发布Beta版本。GeekCAD的愿景是让所有人都可以很容易地进行三维设计,任何人直接打开浏览器就可以建模,并能分享设计给任何人。事实也正是如此,活跃在GeekCAD 平台上的设计师既有小学生,又有大学生和众多3D打印爱好者。GeekCAD鼓励自由创意,推荐用户分享。虽然是一款刚诞生的软件,却让人感受到它蓬勃的生命力和令人惊叹的想象激发力。


使用方式:通过网页直接登录,无需下载
网址:geekcad.com
费用:免费套餐(包含基础功能、有限数量的私有模型等);付费版(包含完整功能及不限数量的私有模型)
文件格式:STL


3D Tin
如果用户接受将自己设计的3D 模型共享出来,则可以免费使用3D Tin 的所有功能,如果不希望共享自己的设计作品,需要支付模型的存储成本。虽然只能基于已有基本图形建模,但是3DTin开创了在线建模的先河。


使用方式:通过网页直接登录,无需下载
文件格式:STL, OBJ, DAE


FreeCAD
采用参数化建模,可供业余用户和专业用户使用。虽然入门时有一定的难度,但是毫无建模经验的用户在Freecad在线社区的帮助下,也可以掌握这款软件。Freecad主要的用户是工程师和建筑师。


下载地址:www.freecadweb.org
费用:免费套餐包含基础功能,付费的升级版包括高级功能
文件格式:STEP, IGES, STL, SVG, DXF, OBJ, IFC, DAE, OFF 、 Fcstd


K-3D
既可以用于CAD 建模,又可以制作动画。如果希望完成复杂的设计工作,用户可以另外下载插件,例如:可视化的管道架构。通过各种互动式的教程,用户可以掌握建模技巧。


下载地址:www.k-3d.org/node/2
费用:免费
文件格式: Wavefront OBJ, GTS……插件格式包括OpenFX、OFF、RIB、X


Meshmixer
Autodesk123D系列的成员之一,这是一款用于3D打印的建模软件,用户可以通过现有的基础模型建立新的模型。Meshmixer 还包括3D打印工具,如检查、清洁及3D文件修复工具。


下载地址:www.meshmixer.com
费用:免费
文件格式:OBJ, STL, MIX, DAE


Sketchup
这是Google开发的一款是三维建筑设计方案的CAD 软件,拥有大量免费的3D模型库。用户可以通过添加工具或升级到专业版来定制自己的界面。由于与Google earth是”同胞兄弟“, Sketchup软件用户可以直接将3D设计模型输出到Google earth中。


下载地址:www.sketchup.com
费用:免费版;付费的专业版
文件格式:OBJ, 3DS, DWG, DXF, DAE, FBX, KMZ, WRL, XSI


TinkerCAD
这是一款在线网页版3D建模平台,简单、易用,初学者可以在几分钟内完成3D模型设计,并获得较好的渲染效果。该软件已被Autodesk公司收购,与Meshmixer 一样成为Autodesk 123D 系列的成员之一。


使用方式:无需下载软件,直接通过网页登录使用
费用:免费
文件格式:STL


Wings 3D
这是一款开源的3D 建模软件,适合初学者使用。先进的模型细分也让它可以用于创建复杂的形状。植入式的UV 映射工具,可为模型添加纹理特征。


下载地址:www.wings3d.com
文件格式:OBJ
适合有基础的用户


3D Crafter
拖放式的建模方式,让3D Crafter 用起来非常直观,适合创建复杂模型。通过升级,用户可以使用附加功能进行游戏开发或者进行图像渲染。


下载地址:amabilis.com/downloads/
费用:导出 POVRay或Renderman格式的文件为免费,导出更多其他格式则需支付少量费用。


Art of Illusion
这是一款功能齐全的免费3D建模,渲染和动画制作工具,完全采用Java开发。


下载地址:www.artofillusion.org/downloads
文件格式:OBJ、VRML 或 Povray


Blender
是一款开源的跨平台全能三维动画制作软件,提供从建模、动画、材质、渲染、到音频处理、视频剪辑等一系列动画短片制作解决方案。由于该软件是基于网格建模的,而不是通过参数建模的,因此更适合艺术类的用户使用。Blender 快速建模和渲染功能,也让它也适合创建3D打印的模型。


下载地址:www.blender.org/download
文件格式:3DS、DAE、 FBX、DXF、OBJ、 DirectX (x)、LWO、BVH、SVG、Stanford PLY、STL、VRML、VRML97、X3


BRL-CAD
这是一款开源的构造实体几何(CSG) 实体模型CAD 系统,包括一个交互式的几何编辑器,光学跟踪支持图形着色和几何分析,计算机网络分布式帧缓存支持,图像处理和信号处理工具。主要应用在军事和工业领域,如车辆、机械零件和建筑的设计与分析。另外还能应用于辐射剂量规划,医学可视化,计算机图形学教育,慢性浅表性胃炎的概念和建模教育以及系统的性能基准测试等用途。


下载地址:brlcad.org/d/download
文件格式:ACAD、DXF、IGES、EUCLID、jack, STL、TAWKILL、VRML、Wavefront、X3D


Fusion 360
是由Autodesk公司开发的一款3D CAD CAM CAE软件,借助云来存储和分享,通过本地CPU进行建模。Fusion360功能丰富,建模、渲染、仿真、制造一气呵成。


费用:对学生、发烧友、业余爱好者和初创企业免费,其他商业用途需付费使用。
30天试用版下载地址:www.autodesk.com/products/fusion-360/try-buy
文件格式: IGES、STEP、DWG、STL


MeshLab
这是一款完整的网格修复和编辑的开源软件,用于处理、非结构化编辑 3D 三角形网格。该软件的网格和点云处理功能受到专业用户的喜爱,它具有管理大文件的能力,适合处理高质量的3D 扫描数据。


下载地址:sourceforge.net/projects/meshlab
文件格式:
PLY、STL、OFF、OBJ、3DS、COLLADA、VRML、DXF、GTS、U3D、IDTF、X3D


OpenCaseCade
OpenCaseCade ,简称OCC。是一个开源的CAD/CAE/CAM软件平台。OCC主要用于开发二维和三维几何建模应用程序,包括通用的或专业的计算机辅助设计CAD系统、制造或分析领域的应用程序、仿真应用程序或图形演示工具。OCC通过有机组织的C++库文件提供了六个模块。可视化模块作为OCC的核心部分,是可视化技术的具体体现。


下载地址:www.opencascade.com
文件格式:STEP、IGES、VRML、STL、ACIS SAT、Parasolid、DXF


Opencad
专注于为3D打印创建3D 对象,主要用于进行机械类产品的3D建模。由于使用立体几何和二维轮廓挤压的建模方式,建模过程非常直观,非常适合已经定义参数的简单形状建模。


费用:免费
下载地址:www.openscad.org/downloads.html
文件格式:STL 、OFF 、SCAD、 DXF


OnShape
完全基于web的CAD云平台。Onshape不但可以在线建模、存储、分享,甚至可以协作编辑。其版本管理、合并功能更是开设计领域之先河。Onshape是类似于Solidworks, Inventor一样面向专业人士的CAD软件。


使用方式:无需下载,直接登录 www.onshape.com
费用: 目前Onshape免费版可以保存5个私有文件并有5GB的存储空间的限制,而无限制文件数量和空间的版本需每月支付费用。
文件格式:DXF、STL、DWG、native SolidWorks、CATIA、CREO、Inventor、JT 、 AutoCAD file、Parasolid、IGES、SAT、STEP.


Sculptris
是一款小巧的三维数字雕刻软件,采用所见即所得的建模方式,一切变形都可以随手画上去。用户还可以在本地重新定义模型的内部结构,让3D打印的模型变得更轻。


下载地址:pixologic.com/sculptris/
费用:免费
文件格式: N/A






来源:3D科学谷





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